Quarterly report pursuant to Section 13 or 15(d)

Product Warranties - Summary of Activity in Warranty Accrual (Detail)

v2.4.0.8
Product Warranties - Summary of Activity in Warranty Accrual (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 2012
Guarantees [Abstract]        
Balance at beginning of period $ 2,451 $ 1,448 $ 2,551 $ 1,092
Warranties issued 285 246 333 772
Warranties settled (278) (303) (416) (473)
Reassessed warranty exposure 126   116  
Balance at end of period $ 2,584 $ 1,391 $ 2,584 $ 1,391